JEE Main 2018 — Redox Reactions Question with Solution
JEE Main 2018 (08 Apr)
Question
An alkali is titrated against acid with methyl orange as an indicator, which of the following is a correct combination?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
The range between (red) and (yellow) is the colour-change interval of methyl orange.
Weak base has . So, when methyl orange indicator is added the solution turns yellow & if the solution is titrated against strong acid it turns pinkish red at the end point i.e., .
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This is a previous-year question from JEE Main 2018, covering the Redox Reactions chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.